标题: 请教白勇语法里面一道题。关于DOUBLE与TWICE [打印本页] 作者: pf890806 时间: 2011-10-19 18:25 标题: 请教白勇语法里面一道题。关于DOUBLE与TWICE 题目如下： the number of undergraduate degrees in engineering by colleges and universities in the US increased by more than twice from 1978 to 1985. a. b.increased more than two times c.more than doubled d.was more than doubled e.had more than doubled